package demo5;

import java.util.Arrays;

class Student implements Comparable<Student>{
    public String name;
    public int age;
    public int score;

    public Student(String name, int age, int score) {
        this.name = name;
        this.age = age;
        this.score = score;
    }

    @Override
    public String toString() {
        return "Student{" +
                "name='" + name + '\'' +
                ", age=" + age +
                ", score=" + score +
                '}';
    }

    @Override
    public int compareTo(Student o) {
        if(this.age > o.age) {
            return 1;

        }else if(this.age < o.age) {
            return -1;
        }else {
            return 0;
        }
        /* if(this.name.compareTo(o.name) > 0) {
            return 1;

        }else if(this.name.compareTo(o.name) < 0) {
            return -1;
        }else {
            return 0;
        }*/

    }
}

public class Test {
    public static void main(String[] args) {
        Student[] students = new Student[3];
        students[0] = new Student("as",12,14);
        students[1] = new Student("df",44,66);
        students[2] = new Student("gh",32,77);

        //System.out.println(students[0].compareTo(students[1]));

        Arrays.sort(students);

        System.out.println(Arrays.toString(students));
    }

    /*public static void main1(String[] args) {
        int[] array = {1,2,4,5,3,6,8,9,8};
        Arrays.sort(array);
        System.out.println(Arrays.toString(array));
    }*/
}
